Cylinders & Pistons

168 products

Shop the range of aftermarket motorcycle engine products at Pro Class Custom Parts.

$655.99

Features & Benefits:- * ID # 3714 * Bore = 3.498″ * Stroke = 4.250″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$655.99

Features & Benefits:- * ID # 3713 * Bore = 3.528″ * Stroke = 4.250″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$655.99

Features & Benefits:- * ID # 2534 * Bore = 3.467″ * Stroke = 3.968″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$655.99

Features & Benefits:- * ID # 2535 * Bore = 3.457″ * Stroke = 3.968″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

$1,180.99

Features & Benefits:- These high compression pistons feature a 7cc raised dome to achieve a compression ratio of 11:1 (from 9.5:1). Higher compression is a key factor in increasing performance...

CP CARRILLO PISTONS

$636.99

Features & Benefits:- * ID # 2615 * Bore = 3.508″ * Stroke = 4.250″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$637.99

Features & Benefits:- * ID # 3717 * Bore = 3.518″ * Stroke = 4.250″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

CP CARRILLO PISTONS

$636.99

Features & Benefits:- * ID # 2790 * Bore = 3.518″ * Stroke = 4.250″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed ...

$970.99

These forged 3-1/2″ bore stroker pistons for 1984-’99 HD® Evolution® big twin engines are required for the S&S 89″ 4-5/8″ stroker flywheels. Pistons are designed to be used with stock cylinder...

KB PISTONS

$507.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 107ci to Big bore 124″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification required ...

KB PISTONS

$507.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 107ci to Big bore 124″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification required. ...

KB PISTONS

$882.99

Features & Benefits:- * Super Duty KB Forged Coated Anodized Piston Kit. * 114 or 117ci to Big bore 128″ piston kit for Milwaukee 8 when using 4.250″ Bore Cylinders * No head modification req...

$224.99

Cylinder Stud kit, 3/8-16 x 6.680″, 8 pack. Fits 1984-1999 V-Series engines with less than 4″ bore. * Replaces OEM # 16837-85 MFR PART No: 31-2321 ROLLIES PART No: SS31-2321

$224.99

* Cylinder Stud kit, 3/8-16 x 6.070″, 8 pack. * Replaces OEM # 16834-99 MFR PART No: 31-2340 ROLLIES PART No: SS31-2340

CP CARRILLO PISTONS

$892.99

Features & Benefits:- * ID # 6442 * Bore = 3.875″ * Stroke = 4.000″ * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed f...